Council Experience

Side extension architects in Westminster

6 architects and planning agents with side extension planning history in Westminster, ranked by how many applications they’ve filed — with their approval rate — straight from public council records.

  • DP9Rear extension · Side extension · Extension · Basement · Change of use
    45 in Westminster100% approved
  • FirstplanLoft conversion · Rear extension · Side extension · Extension · Basement
    39 in Westminster79% approved
  • SavillsSide extension · Extension · Basement · Change of use · Conservatory / orangery
    37 in Westminster100% approved
  • DP9 LimitedSide extension · Extension · Basement · Change of use · Listed building / conservation
    11 in Westminster100% approved
  • Marek Wojciechowski ArchitectsSide extension · Extension · Conservatory / orangery · Roof / fenestration
    5 in Westminster100% approved
  • Resi Design LtdRear extension · Side extension · Extension · Garage conversion · Roof / fenestration
    5 in Westminster— approved

Other work in Westminster

All architects in WestminsterBasementExtensionListed building / conservationRoof / fenestrationShopfront / commercialDemolitionRear extensionChange of useConservatory / orangeryLoft conversion

Based on public planning-application records. Volume and approval rate reflect filed applications, not a quality judgement — always confirm credentials and references before you hire.